(b) ensure that any Part which is not installed on the Aircraft
 (or any other aircraft as expressly permitted by this
 Agreement) is properly and safely stored and insured, and kept
 free from Security Interests (other than Permitted Liens); and

 (c) be permitted, if no Event of Default has occurred and is
 continuing, to install any Part on an aircraft operated by
 Lessee (or any permitted sub-lessee), provided that Clause
 8.14(d) would be complied with in respect of such Part if it
 were an Engine.

 8.16 TEMPORARY INSTALLATION OF ENGINES AND PARTS:

 Notwithstanding the provisions of Clause 8.13 and Clause 8.15,
 Lessee will be permitted, if no Event of Default has occurred and is
 continuing, to install, or permit the installation of, any engine or
 part on the Aircraft by way of replacement if:

 (a) there is not available to Lessee or, where there is a
 permitted sublease in place, the sub-lessee thereunder, at the
 time and in the place that engine or

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 part is required to be installed on the Aircraft, a
 replacement engine or, as the case may be, part complying with
 the requirements of Clause 8.13 above;

 (b) it would result in a disruption of the operation of the
 Aircraft and/or the business of Lessee or, where there is a
 permitted sublease in place, the sub-lessee thereunder, to
 ground the Aircraft until an engine or part, as the case may
 be, complying with the requirements of Clause 8.13 above
 becomes available for installation on the Aircraft; and